
header {
    display: flow;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2.5rem
}

.header-div {
    width: 100%;
    height: 100px;
    background: rgba(0 0 0 0.6);
}

.logo {
    font-size: 50px;
    line-height: 50px;
    text-align: center;
    text-decoration: none;
    color: white;
}

.site-nav {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

ul {
    display: flex;
    padding: 0;
    margin: 0;
    list-style-type: none;
}

ul:hover li:not(:hover) a {
    opacity: 0.2;
}

ul li {
    position: relative;
    padding: 30px 25px 30px 25px;
    cursor: pointer;
}

ul li ::after {
    position: absolute;
    content: "";
    top: 100%;
    left: 0;
    width: 100%;
    height: 2px;
    background: #3498db;
    transform: scaleX(0);
    transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

ul li:hover::after, ul li.active::after {
    transform: scaleX(1);
}

ul li a {
    position: relative;
    display: flex;
    color: white;
    font-family: Lato, sans-serif;
    text-decoration: none;
    transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
